Allow for disabling of parallel processing of qmk find and qmk mass-compile. (#22160)

Co-authored-by: Duncan Sutherland <dunk2k_2000@hotmail.com>
This commit is contained in:
Nick Brassel 2023-10-17 09:43:50 +11:00 committed by GitHub
parent 81a3aa025c
commit f6c70c40af
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4 changed files with 73 additions and 19 deletions

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@ -23,7 +23,7 @@ def find(cli):
if len(cli.args.filter) == 0 and len(cli.args.print) > 0:
cli.log.warning('No filters supplied -- keymaps not parsed, unable to print requested values.')
targets = search_keymap_targets(cli.args.keymap, cli.args.filter, cli.args.print)
targets = search_keymap_targets([('all', cli.config.find.keymap)], cli.args.filter, cli.args.print)
for keyboard, keymap, print_vals in targets:
print(f'{keyboard}:{keymap}')

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@ -97,6 +97,6 @@ def mass_compile(cli):
if len(cli.args.builds) > 0:
targets = search_make_targets(cli.args.builds, cli.args.filter)
else:
targets = search_keymap_targets(cli.args.keymap, cli.args.filter)
targets = search_keymap_targets([('all', cli.config.mass_compile.keymap)], cli.args.filter)
return mass_compile_targets(targets, cli.args.clean, cli.args.dry_run, cli.args.no_temp, cli.args.parallel, cli.args.env)
return mass_compile_targets(targets, cli.args.clean, cli.args.dry_run, cli.config.mass_compile.no_temp, cli.config.mass_compile.parallel, cli.args.env)

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@ -4,12 +4,12 @@ import contextlib
import functools
import fnmatch
import logging
import multiprocessing
import re
from typing import List, Tuple
from dotty_dict import dotty
from milc import cli
from qmk.util import parallel_map
from qmk.info import keymap_json
import qmk.keyboard
import qmk.keymap
@ -78,17 +78,16 @@ def _expand_keymap_target(keyboard: str, keymap: str, all_keyboards: List[str] =
all_keyboards = qmk.keyboard.list_keyboards()
if keyboard == 'all':
with multiprocessing.Pool() as pool:
if keymap == 'all':
cli.log.info('Retrieving list of all keyboards and keymaps...')
targets = []
for kb in pool.imap_unordered(_all_keymaps, all_keyboards):
targets.extend(kb)
return targets
else:
cli.log.info(f'Retrieving list of keyboards with keymap "{keymap}"...')
keyboard_filter = functools.partial(_keymap_exists, keymap=keymap)
return [(kb, keymap) for kb in filter(lambda e: e is not None, pool.imap_unordered(keyboard_filter, all_keyboards))]
if keymap == 'all':
cli.log.info('Retrieving list of all keyboards and keymaps...')
targets = []
for kb in parallel_map(_all_keymaps, all_keyboards):
targets.extend(kb)
return targets
else:
cli.log.info(f'Retrieving list of keyboards with keymap "{keymap}"...')
keyboard_filter = functools.partial(_keymap_exists, keymap=keymap)
return [(kb, keymap) for kb in filter(lambda e: e is not None, parallel_map(keyboard_filter, all_keyboards))]
else:
if keymap == 'all':
keyboard = qmk.keyboard.resolve_keyboard(keyboard)
@ -117,8 +116,7 @@ def _filter_keymap_targets(target_list: List[Tuple[str, str]], filters: List[str
targets = [(kb, km, {}) for kb, km in target_list]
else:
cli.log.info('Parsing data for all matching keyboard/keymap combinations...')
with multiprocessing.Pool() as pool:
valid_keymaps = [(e[0], e[1], dotty(e[2])) for e in pool.imap_unordered(_load_keymap_info, target_list)]
valid_keymaps = [(e[0], e[1], dotty(e[2])) for e in parallel_map(_load_keymap_info, target_list)]
function_re = re.compile(r'^(?P<function>[a-zA-Z]+)\((?P<key>[a-zA-Z0-9_\.]+)(,\s*(?P<value>[^#]+))?\)$')
equals_re = re.compile(r'^(?P<key>[a-zA-Z0-9_\.]+)\s*=\s*(?P<value>[^#]+)$')
@ -179,10 +177,10 @@ def _filter_keymap_targets(target_list: List[Tuple[str, str]], filters: List[str
return targets
def search_keymap_targets(keymap='default', filters: List[str] = [], print_vals: List[str] = []) -> List[Tuple[str, str, List[Tuple[str, str]]]]:
def search_keymap_targets(targets: List[Tuple[str, str]] = [('all', 'default')], filters: List[str] = [], print_vals: List[str] = []) -> List[Tuple[str, str, List[Tuple[str, str]]]]:
"""Search for build targets matching the supplied criteria.
"""
return list(sorted(_filter_keymap_targets(expand_keymap_targets([('all', keymap)]), filters, print_vals), key=lambda e: (e[0], e[1])))
return list(sorted(_filter_keymap_targets(expand_keymap_targets(targets), filters, print_vals), key=lambda e: (e[0], e[1])))
def search_make_targets(targets: List[str], filters: List[str] = [], print_vals: List[str] = []) -> List[Tuple[str, str, List[Tuple[str, str]]]]:

56
lib/python/qmk/util.py Normal file
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@ -0,0 +1,56 @@
"""Utility functions.
"""
import contextlib
import multiprocessing
from milc import cli
@contextlib.contextmanager
def parallelize():
"""Returns a function that can be used in place of a map() call.
Attempts to use `mpire`, falling back to `multiprocessing` if it's not
available. If parallelization is not requested, returns the original map()
function.
"""
# Work out if we've already got a config value for parallel searching
if cli.config.user.parallel_search is None:
parallel_search = True
else:
parallel_search = cli.config.user.parallel_search
# Non-parallel searches use `map()`
if not parallel_search:
yield map
return
# Prefer mpire's `WorkerPool` if it's available
with contextlib.suppress(ImportError):
from mpire import WorkerPool
from mpire.utils import make_single_arguments
with WorkerPool() as pool:
def _worker(func, *args):
# Ensure we don't unpack tuples -- mpire's `WorkerPool` tries to do so normally so we tell it not to.
for r in pool.imap_unordered(func, make_single_arguments(*args, generator=False), progress_bar=True):
yield r
yield _worker
return
# Otherwise fall back to multiprocessing's `Pool`
with multiprocessing.Pool() as pool:
yield pool.imap_unordered
def parallel_map(*args, **kwargs):
"""Effectively runs `map()` but executes it in parallel if necessary.
"""
with parallelize() as map_fn:
# This needs to be enclosed in a `list()` as some implementations return
# a generator function, which means the scope of the pool is closed off
# before the results are returned. Returning a list ensures results are
# materialised before any worker pool is shut down.
return list(map_fn(*args, **kwargs))